Platform



FIG. 1 is a top perspective view of the platform showing my new design;

FIG. 2 is a perspective view of the bottom of my invention;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side view thereof; and,

FIG. 6 is an end view thereof. 

The ornamental design for platform, as shown. 